Features
- Chromecast support.
- Playback speed control.
- Classification of books (new, started, finished).
- Download cover from the Internet.
- List of characters. You can manually create a list of characters to easier follow the story.
- Automatic pause in case you fall asleep. To continue playback just shake your phone.
- Playback history.
- Application Widget. Allows you to control the player from the home screen.
- By specifying a root folder containing all your audiobook, you can exclude your folders which contains music and other audio files.
- You don't have to finish one book to start another. The progress is saved independently for all books.
System Requirements:
Requirements: Android 11.0+
Home Page-

https://play.google.com/store/apps/details?id=ak.alizandro.smartaudiobookplayer&hl=en